.subNavi{
    position: absolute;
    float: left;
    background-color:#24618c ;
    z-index: 10;
    margin: 10px 0 0 0;
    left: 0;
    border: 1px solid #ffffff
}
.subNavi li{list-style: none;padding: 10px;min-width: 160px;position: relative}
.subNavi li .subNavi{left: 180px;top:-11px;position: absolute}